Artículo
Astrophysical reaction rate for 9 Be formation within a three-body approach
Autor/es | Casal Berbel, Jesús
Rodríguez Gallardo, Manuela Arias Carrasco, José Miguel Thompson, I. J. |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2014 |
Fecha de depósito | 2017-04-03 |
Publicado en |
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Resumen | The structure of the Borromean nucleus 9Be (α+α+n) is addressed within a three-body approach using the analytical transformed harmonic oscillator method. The three-body formalism provides an accurate description of the ... The structure of the Borromean nucleus 9Be (α+α+n) is addressed within a three-body approach using the analytical transformed harmonic oscillator method. The three-body formalism provides an accurate description of the radiative capture reaction rate for the entire temperature range relevant in astrophysics. At high temperatures, results match the calculations based on two-step sequential processes. At low temperatures, where the particles have no access to intermediate two-body resonances, the three-body direct capture leads to reaction rates larger than the sequential processes. These results support the reliability of the method for systems with several charged particles. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España Junta de Andalucía |
Identificador del proyecto | FPA2009-07653
FIS2011-28738-c02-0 FQM-160 P11-FQM-7632 CSD2007-00042 |
Cita | Casal Berbel, J., Rodríguez Gallardo, M., Arias Carrasco, J.M. y Thompson, I.J. (2014). Astrophysical reaction rate for 9 Be formation within a three-body approach. Physical Review C - Nuclear Physics, 90 (4), 044304-1-044304-11. |
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